RadioButtonList Control in ASP.NET
Group of Radio Buttons
| Property | Description |
|---|---|
| Items | Represents the collection of items in the list. |
| TextAlign | Determines how text label is aligned relative to radio button. Possible values are Left, and Right (default). |
| AutoPostBack | If True, the form is automatically posted when a new radio button is selected from the list. |
| SelectedItem | Represents the selected radio button. |
| SelectedIndex | Specifies the index number of currently checked radio button. |
| RepeatColumns | Determines the number of columns sued to display radio buttons. |
| RepeatDirection | Indicates the direction in which radio buttons must be repeated. Can be Horizontal, or Vertical. |
| RepeatLayout | Determines how radio buttons are formatted. Can be Table (default), or Flow. |
| DataSource | Identifies the data source for the items listed in the list. |
| DataMember | Identifies the particular table in a data source to bind to the control. |
| DataTextField | Identifies the field from the data source to use for radio button labels. |
| DataValueField | Identifies the field from the data source to use for radio button values. |
| DataTextFormatString | Gets or sets a format string that determines how DataTextField is displayed. |
| CellPadding | Sets number of pixels between the border and a particular radio button. |
| CellSpacing | Sets number of pixels between radio buttons in the list. |
| Methods | Description |
| DataBind | Binds the list to data source. Loads items from data source into the items collection. |
| OnSelectedIndexChanged | Raises the SelectedIndexChanged event. |
| Events | Description |
| SelectedIndexChanged | Raised when a new radio button is selected in the list. |
The output of the three methods to create a list of radio buttons is the same:
